Given the function f (x) = x³ + 4x² – 10, suppose that a = 1.5 is near to a root of f (x). i. Show that g (r) = x – a³ – 4x² + 10 is a form of f (x) which facilitates the fixed point iteration. ii. Apply the fixed point iteration to g (x) four times. iii. Using the test for convergence, determine if the fixed point iteration near the root will converge to the root.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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All combutations to 5 decimal places please
Given the function f (x) = x³ + 4.x² – 10, suppose that r = 1.5 is near to a root
of f (x).
i. Show that g (r) = x – a³ – 4x² + 10 is a form of f (r) which facilitates the
fixed point iteration.
ii. Apply the fixed point iteration to g (x) four times.
iii. Using the test for convergence, determine if the fixed point iteration near
the root will converge to the root.
Transcribed Image Text:All combutations to 5 decimal places please Given the function f (x) = x³ + 4.x² – 10, suppose that r = 1.5 is near to a root of f (x). i. Show that g (r) = x – a³ – 4x² + 10 is a form of f (r) which facilitates the fixed point iteration. ii. Apply the fixed point iteration to g (x) four times. iii. Using the test for convergence, determine if the fixed point iteration near the root will converge to the root.
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